assume cs:codesg
codesg segment
	mov ax,0ffffH
	mov ds,ax

	mov ax,0020H
	mov es,ax

	mov bx,0

	mov cx,12

s: 	mov dl,[bx]
	mov es:[bx],dl
	inc bx
	loop s

	mov ax,4c00H
	int 21H

codesg ends
end
